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386157057 = 311132174073
BaseRepresentation
bin10111000001000…
…100101000000001
3222220121210220020
4113001010220001
51242324011212
6102152404053
712366165216
oct2701045001
9886553806
10386157057
11188a80570
12a93a6629
1362005800
14393ddb0d
1523d7bd8c
hex17044a01

386157057 has 48 divisors (see below), whose sum is σ = 644148288. Its totient is φ = 203274240.

The previous prime is 386157053. The next prime is 386157067. The reversal of 386157057 is 750751683.

It is not a de Polignac number, because 386157057 - 22 = 386157053 is a prime.

It is not an unprimeable number, because it can be changed into a prime (386157053) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 92773 + ... + 96845.

It is an arithmetic number, because the mean of its divisors is an integer number (13419756).

Almost surely, 2386157057 is an apocalyptic number.

It is an amenable number.

386157057 is a deficient number, since it is larger than the sum of its proper divisors (257991231).

386157057 is a wasteful number, since it uses less digits than its factorization.

386157057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4130 (or 4117 counting only the distinct ones).

The product of its (nonzero) digits is 176400, while the sum is 42.

The square root of 386157057 is about 19650.8792933039. The cubic root of 386157057 is about 728.2066802632.

The spelling of 386157057 in words is "three hundred eighty-six million, one hundred fifty-seven thousand, fifty-seven".

Divisors: 1 3 11 13 17 33 39 51 143 169 187 221 429 507 561 663 1859 2431 2873 4073 5577 7293 8619 12219 31603 44803 52949 69241 94809 134409 158847 207723 582439 688337 761651 900133 1747317 2065011 2284953 2700399 7571707 9901463 11701729 22715121 29704389 35105187 128719019 386157057